"Civilization will end within 15 or 30 years unless immediate action is taken against problems facing mankind"
-Biologist George Wald, Harvard University, April 19, 1970

"By 1995, somewhere between 75 and 85 percent of all the species of living animals will be extinct."
-Senator Gaylord Nelson, quoting Dr. S. Dillon Ripley, Look magazine, April 1970

"Because of increased dust, cloud cover and water vapor the planet will cool, the water vapor will fall and freeze, and a new Ice Age will be born."
-Newsweek magazine, January 26, 1970

"The world will be eleven degrees colder in the year 2000. This is about twice what it would take to put us into an ice age."
-Kenneth Watt, speaking at Swarthmore University, April 19, 1970

"By the year 2000, the entire world, with the exception of Western Europe, North America and Australia, will be in famine."
-Peter Gunter, North Texas State University, The Living Wilderness, Spring 1970

"We are in an environmental crisis which threatens the survival of this nation, and of the world as a suitable place of human habitation."
-Biologist Barry Commoner, University of Washington, writing in the journal Environment, April 1970

"Man must stop pollution and conserve his resources, not merely to enhance existence but to save the race from the intolerable deteriorations and possible extinction."
-The New York Times editorial, April 20, 1970

"By 1985, air pollution will have reduced the amount of sunlight reaching earth by one half."
-Life magazine, January 1970

"It is already too late to avoid mass starvation"
-Earth Day organizer Denis Hayes, The Living Wilderness, Spring 1970